1098298 has 4 divisors (see below), whose sum is σ = 1647450. Its totient is φ = 549148.

The previous prime is 1098287. The next prime is 1098301. The reversal of 1098298 is 8928901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8928901 = 2687 ⋅3323.

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 64009 = 1017^2 + 253^2 .

It is a super-4 number, since 4×1098298⁴ (a number of 25 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274573 + ... + 274576.

2^1098298 is an apocalyptic number.

1098298 is a deficient number, since it is larger than the sum of its proper divisors (549152).

1098298 is an equidigital number, since it uses as much as digits as its factorization.

1098298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549151.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1098298 is about 1047.9971374007. The cubic root of 1098298 is about 103.1747434338.

The spelling of 1098298 in words is "one million, ninety-eight thousand, two hundred ninety-eight".